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add support for multiple include directories

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26485 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-03-03 01:47:14 +00:00
parent 21959390c1
commit d9f5d90af1
2 changed files with 16 additions and 12 deletions
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18
utils/TableGen/FileLexer.l
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@ -36,7 +36,7 @@ int Fileparse();
namespace llvm {
// Global variable recording the location of the include directory
std::string IncludeDirectory;
std::vector<std::string> IncludeDirectories;
/// ParseInt - This has to handle the special case of binary numbers 0b0101
///
@ -74,7 +74,8 @@ std::ostream &err() {
/// ParseFile - this function begins the parsing of the specified tablegen file.
///
void ParseFile(const std::string &Filename, const std::string & IncludeDir) {
void ParseFile(const std::string &Filename,
const std::vector<std::string> &IncludeDirs) {
FILE *F = stdin;
if (Filename != "-") {
F = fopen(Filename.c_str(), "r");
@ -90,7 +91,7 @@ void ParseFile(const std::string &Filename, const std::string & IncludeDir) {
// Record the location of the include directory so that the lexer can find
// it later.
IncludeDirectory = IncludeDir;
IncludeDirectories = IncludeDirs;
Filein = F;
Filelineno = 1;
@ -124,10 +125,13 @@ static void HandleInclude(const char *Buffer) {
// If we couldn't find the file in the current directory, look for it in
// the include directories.
//
// NOTE: Right now, there is only one directory. We need to eventually add
// support for more.
std::string NextFilename = IncludeDirectory + "/" + Filename;
yyin = fopen(NextFilename.c_str(), "r");
std::string NextFilename;
for (unsigned i = 0, e = IncludeDirectories.size(); i != e; ++i) {
NextFilename = IncludeDirectories[i] + "/" + Filename;
if (yyin = fopen(NextFilename.c_str(), "r"))
break;
}
if (yyin == 0) {
err() << "Could not find include file '" << Filename << "'!\n";
exit(1);

10
utils/TableGen/TableGen.cpp
View File

@ -82,14 +82,14 @@ namespace {
cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
cl::opt<std::string>
IncludeDir("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::init(""));
cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"));
}
namespace llvm {
void ParseFile(const std::string &Filename,
const std::string &IncludeDir);
const std::vector<std::string> &IncludeDirs);
}
RecordKeeper llvm::Records;
@ -420,7 +420,7 @@ static void ParseMachineCode() {
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv);
ParseFile(InputFilename, IncludeDir);
ParseFile(InputFilename, IncludeDirs);
std::ostream *Out = &std::cout;
if (OutputFilename != "-") {